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Prev Professional Automotive Repair Technical Discussions for April 20, 2013
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Open Help Requests for GM
Help Request Answers
1996 Buick Park Avenue 3.8L A/C Vents VIN: 1G4CW52K2T
I've got no air flow from vents when vent button is pushed also it turns off a/c compresser.then when you turn vents off the compresser kicks back in.the vent button lights up.i checked for vacuum to a/c programmer and = 18 in. Then applied vac. To each actuat...
1994 Chevrolet K1500 5.7L Stall, hard start VIN: 2GCEK19K6R
Got this old farm truck that the customer decided they would revive after sitting for 2 years. Among several concerns was the fact that it would not start. I suspected the ignition module as I had spark and no injector pulse. I have a truck like this so I robb...
2006 Chevrolet Trailblazer LT 4.2L Hesitation, Misfire, MIL Lamp on VIN: 1GNDT13S56
Thanks in advance...need help! Vehicle came in with complaint of loss of power MIL on. P0300. Very little miss at idle and intermittent miss WOT and more regular on decel(mostly on cyl 6). Swapped coil no change. changed plug no change, water mist around coil ... Trouble codes: 0300 (testing and results)
2007 Chevrolet Monte Carlo LS 3.5L battery VIN: 2G1WJ15K97
I removed the car starter, draw is the same. I found if i remove the number three connector from the bcm the draw goes away or u can remove the bcm fuse and the inst\pnl dim fuse and the draw goes away. Those fuses supply power to the number 3 bcm connector. I...
2009 Chevrolet Silverado 1500 LT 5.3L Fuel pump VIN: 1GCEK29049
Help GM Techs! I have a 2009 Silverado with fuel pump module codes. I tested powers & grounds at module & checked out ok. The vehicle intermittently stalls & will not restart. I installed a new fuel pump control module. This needs to be programmed I found out ...
2000 GMC Sierra 1500 SL 4.3L Starting VIN: 1GTEK14W4Y
We have a truck that the cust drove to us after he ran a extra ground to eng. Truck would not start.When we started to test the system it would not start,starter only buzzed and was loosing batt voltage when testing starter. while trying to start the battery b...
2004 GMC Savana 3500 6.0L power steering
Replaced hydro booster, power steering pump,and all but one power steering hose. That is the larger hose that runs from the pump to the remote steering resevior. This setup does not have a p/s system cooler. Have noticed that the accumulator on the hydro boost...
2004 GMC Sonoma SLS 4.3L Misfire VIN: 1GTDT13X64
Quick one for you GoodWrench guys. This Sonoma came to me misfiring and using lots of gas. Found bank 2 sensor 1 O2 was dropping out causing ECM to load up #2 side. Replaced O2, truck runs great. Thing is, check engine light starts flashing if you accelerate h... Trouble codes: P0300 (multiple cylinder misfire)
2005 Other GM rodeo 3.0L Excessive Emissions, Hesitation, Surge, MIL Lamp on, blows white smoke VIN: MPATFS77J5
HI GUYS, I need a bit of guidance here not a diesel specialist but this customer is a regular and has a fleet of cars we service. The vehicle was towed in and wouldn't start.It would crank but not start.I removed the diesel filter and it was full of water.Re... Trouble codes: P0216

Fixes & Summaries for GM
Fix/Summary Answers
2000 Chevrolet Express 3500 7.4L Misfire VIN: 1GBM7H1BXY
Would like to thank you guys for a lot of really great responses,especially Kent from Florida who went above and beyond. This vehicle was at a tire shop after having been at 5 other shops. They called me in because I had a Tech2 and the ability to do an inject... Trouble codes: P0300 (multiple cylinder misfire).
2008 Chevrolet Silverado 3500 HD LT 6.0L no shift stuck in 3rd VIN: 1GBHK39K98
thanks for all the help to start with. i was able to fix this truck with a little help. the trans control module did have to be programed and yes it is in the trans. i however did not have to take to a gm dealer. i have a fellow tech that is using a laptop bas...
2000 Saturn SL2 1.9L no 1st gear, no 3rd gear VIN: 1G8ZK5271Y
Thanks for all the help everyone. I gained some valuable knowledge on this one. We concluded the transmission was too far gone to worry about so we swapped it out with another unit. Our suppliers warranty was good as gold and they quickly replaced the part....
2003 Saturn Vue 3.0L antifreeze VIN: 5GZCZ63B83
Ill call This one fixed... After loading the oil with dye and putting it back on the road to return a week later with no signs of dye or oil in antifreeze I am sure it was residual. I do believe the foam in the fill neck is caused by excessive blowby and that ...
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